Home / 4,047.41-5,585.45-2,279.05

Finding the Fourth Proportional to 4,047.41, 5,585.45 and 2,279.05

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Solution

The fourth proportional to 4,047.41, 5,585.45 and 2,279.05 is: 3,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.41 : 5,585.45 = 2,279.05 : x
  2. Step 2: Convert to fraction form
    4,047.41/5,585.45 = 2,279.05/x
  3. Step 3: Cross multiply
    4,047.41x = 5,585.45 × 2,279.05
  4. Step 4: Simplify right side
    4,047.41x = 12,729,480.50
  5. Step 5: Solve for x
    x = 12,729,480.50/4,047.41
  6. Step 6: Final answer
    x = 3,145.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.